It is well past time for Britain’s Labour opposition to get its act together about cannabis.

If you are black and going about your day in England and Wales then you are 6.3 times more likely to be stopped and searched by police, a new report from Release and LSE revealed this week. Guns and knives are the focus of only a fraction of these searches: most are for low level drug offences, above all cannabis. And despite government figures suggesting that use of the herb is significantly lower among black people than among whites, in some areas, such as Dorset, being black makes you 17 times more likely to be stopped. Get caught in possession of cannabis in London, and for blacks the likelihood of then being charged multiplies 5 times. In the US, the arrest ratio of blacks to whites is just three to one. For England and…